Webb, Wilse B. <br/><br/>
Sleep, the gentle tyrant / 
Wilse B. Webb. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1975. 
 - xii, 180 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0138129339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sleep.